/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 03:16:49,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 03:16:49,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 03:16:49,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 03:16:49,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 03:16:49,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 03:16:49,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 03:16:49,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 03:16:49,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 03:16:49,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 03:16:49,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 03:16:49,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 03:16:49,333 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 03:16:49,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 03:16:49,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 03:16:49,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 03:16:49,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 03:16:49,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 03:16:49,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 03:16:49,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 03:16:49,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 03:16:49,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 03:16:49,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 03:16:49,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 03:16:49,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 03:16:49,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 03:16:49,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 03:16:49,344 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 03:16:49,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 03:16:49,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:16:49,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 03:16:49,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 03:16:49,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 03:16:49,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 03:16:49,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 03:16:49,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 03:16:49,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 03:16:49,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 03:16:49,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 03:16:49,645 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 03:16:49,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 03:16:50,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 03:16:51,026 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 03:16:51,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 03:16:51,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ca8ded0b/4729b88e415b45ddb3988391bb092443/FLAG6791069dd [2024-04-05 03:16:51,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ca8ded0b/4729b88e415b45ddb3988391bb092443 [2024-04-05 03:16:51,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 03:16:51,049 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 03:16:51,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 03:16:51,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 03:16:51,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 03:16:51,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c31c6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51, skipping insertion in model container [2024-04-05 03:16:51,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 03:16:51,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-04-05 03:16:51,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:16:51,236 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 03:16:51,255 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-04-05 03:16:51,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:16:51,263 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:16:51,263 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:16:51,269 INFO L206 MainTranslator]: Completed translation [2024-04-05 03:16:51,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51 WrapperNode [2024-04-05 03:16:51,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 03:16:51,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 03:16:51,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 03:16:51,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 03:16:51,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,300 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-04-05 03:16:51,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 03:16:51,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 03:16:51,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 03:16:51,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 03:16:51,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 03:16:51,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 03:16:51,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 03:16:51,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 03:16:51,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (1/1) ... [2024-04-05 03:16:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:16:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:51,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 03:16:51,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 03:16:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 03:16:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 03:16:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 03:16:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 03:16:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 03:16:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 03:16:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 03:16:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 03:16:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 03:16:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 03:16:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 03:16:51,428 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 03:16:51,557 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 03:16:51,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 03:16:51,742 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 03:16:51,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 03:16:51,795 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 03:16:51,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:16:51 BoogieIcfgContainer [2024-04-05 03:16:51,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 03:16:51,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 03:16:51,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 03:16:51,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 03:16:51,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:16:51" (1/3) ... [2024-04-05 03:16:51,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c6c7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:16:51, skipping insertion in model container [2024-04-05 03:16:51,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:51" (2/3) ... [2024-04-05 03:16:51,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c6c7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:16:51, skipping insertion in model container [2024-04-05 03:16:51,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:16:51" (3/3) ... [2024-04-05 03:16:51,804 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-04-05 03:16:51,812 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 03:16:51,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 03:16:51,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 03:16:51,825 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 03:16:51,902 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 03:16:51,939 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 03:16:51,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 03:16:51,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:51,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 03:16:51,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 03:16:51,973 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 03:16:51,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:51,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 03:16:51,991 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@631f11a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 03:16:51,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 03:16:53,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:16:53,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-04-05 03:16:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:53,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262711261] [2024-04-05 03:16:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 03:16:53,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262711261] [2024-04-05 03:16:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262711261] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:16:53,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:16:53,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 03:16:53,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309259063] [2024-04-05 03:16:53,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:16:53,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 03:16:53,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 03:16:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 03:16:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:53,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:53,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:53,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:53,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 03:16:53,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:16:53,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:53,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-04-05 03:16:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:53,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943653188] [2024-04-05 03:16:53,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:53,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:16:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943653188] [2024-04-05 03:16:54,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943653188] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:16:54,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:16:54,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 03:16:54,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209953875] [2024-04-05 03:16:54,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:16:54,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 03:16:54,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 03:16:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-05 03:16:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:54,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:54,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:16:54,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 03:16:54,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:16:54,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-04-05 03:16:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:54,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733076702] [2024-04-05 03:16:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:16:56,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:56,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733076702] [2024-04-05 03:16:56,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733076702] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:16:56,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133777142] [2024-04-05 03:16:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:56,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:16:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:56,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:16:56,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 03:16:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:56,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 03:16:56,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:16:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:16:57,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:16:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:16:59,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133777142] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:16:59,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:16:59,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2024-04-05 03:16:59,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963552943] [2024-04-05 03:16:59,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:16:59,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 03:16:59,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 03:16:59,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 03:16:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:59,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:59,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.484848484848484) internal successors, (148), 33 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:16:59,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:17:17,174 INFO L85 PathProgramCache]: Analyzing trace with hash 31103900, now seen corresponding path program 1 times [2024-04-05 03:17:17,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:17:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:17:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:17:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 59 proven. 108 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 03:17:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:17:21,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:17:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:17:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 11 proven. 140 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-05 03:17:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:17:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:17:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 03:17:26,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 03:17:26,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-04-05 03:17:26,877 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:17:26,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:17:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash -541022233, now seen corresponding path program 2 times [2024-04-05 03:17:26,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:17:26,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274709841] [2024-04-05 03:17:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:17:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:17:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:17:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 130 proven. 76 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-04-05 03:17:32,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:17:32,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274709841] [2024-04-05 03:17:32,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274709841] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:17:32,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649403006] [2024-04-05 03:17:32,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:17:32,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:17:32,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:17:32,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:17:32,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 03:17:32,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:17:32,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:17:32,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 03:17:32,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:17:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-04-05 03:17:32,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:17:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 03:17:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649403006] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:17:32,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:17:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9, 6] total 37 [2024-04-05 03:17:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853934608] [2024-04-05 03:17:32,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:17:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 03:17:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:17:32,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 03:17:32,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 03:17:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:17:32,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:17:32,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.108108108108108) internal successors, (189), 37 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:17:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:17:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:17:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 03:17:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:18:20,431 INFO L85 PathProgramCache]: Analyzing trace with hash 437129095, now seen corresponding path program 2 times [2024-04-05 03:18:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:18:20,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:18:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:18:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 35 proven. 204 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 03:18:27,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:18:27,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:18:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:18:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 106 proven. 133 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 03:18:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:18:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:18:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 03:18:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-05 03:18:34,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 03:18:34,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:18:34,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:18:34,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:18:34,209 INFO L85 PathProgramCache]: Analyzing trace with hash 308048458, now seen corresponding path program 3 times [2024-04-05 03:18:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:18:34,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780442810] [2024-04-05 03:18:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:18:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:18:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:18:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 156 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-05 03:18:36,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:18:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780442810] [2024-04-05 03:18:36,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780442810] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:18:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452334037] [2024-04-05 03:18:36,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:18:36,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:18:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:18:36,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:18:36,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 03:18:36,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 03:18:36,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:18:36,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-05 03:18:36,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:20:28,826 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:20:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 156 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-05 03:20:28,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:20:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 10 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:20:40,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452334037] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:20:40,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:20:40,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33, 50] total 101 [2024-04-05 03:20:40,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256932415] [2024-04-05 03:20:40,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:20:40,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-05 03:20:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:20:40,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-05 03:20:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1623, Invalid=8472, Unknown=5, NotChecked=0, Total=10100 [2024-04-05 03:20:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:40,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:20:40,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.702970297029703) internal successors, (273), 101 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:20:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 03:20:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 03:20:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-05 03:20:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:21:41,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:21:55,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:22:32,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:22:45,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:02,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:05,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:08,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:12,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:15,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:22,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:40,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:46,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:48,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:23:49,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:07,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:19,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:21,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:31,959 WARN L293 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 83 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:24:35,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:37,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:40,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:43,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:45,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:24:53,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:25:02,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:25:55,960 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 185 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:27:45,966 WARN L293 SmtUtils]: Spent 16.07s on a formula simplification. DAG size of input: 198 DAG size of output: 176 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:28:04,507 WARN L293 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 217 DAG size of output: 182 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:28:29,759 WARN L293 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 221 DAG size of output: 174 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:28:31,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 03:28:40,795 WARN L293 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 137 DAG size of output: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:28:51,061 WARN L293 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 141 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:30:22,424 WARN L293 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 195 DAG size of output: 172 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 03:30:25,509 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~N~0 4294967295))) (let ((.cse3 (< 0 (mod (+ 4294967292 c_~L~0) 4294967296))) (.cse4 (and (not (= (mod (+ 4294967272 c_~N~0) 4294967296) 0)) (not (= (mod (+ 23 .cse1) 4294967296) 0)))) (.cse2 (< 0 (mod (+ 4294967291 c_~L~0) 4294967296))) (.cse6 (and (not (= (mod (+ 4294967269 c_~N~0) 4294967296) 0)) (not (= (mod (+ 26 .cse1) 4294967296) 0)))) (.cse0 (= (mod c_thread2Thread1of1ForFork1_~cond~1 256) 0)) (.cse5 (< 0 (mod (+ c_~L~0 4294967293) 4294967296)))) (and (<= c_~L~0 (+ (* 4294967296 (div (+ c_~L~0 (- 3)) 4294967296)) 4294967295)) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967295) 4294967296) 0)) (not (= (mod (+ 2 .cse1) 4294967296) 0)) (not (= (mod (+ c_~N~0 4294967293) 4294967296) 0)) (not (= (mod .cse1 4294967296) 0)))) (or .cse2 .cse0 (and (not (= (mod (+ c_~N~0 4294967266) 4294967296) 0)) (not (= (mod (+ 29 .cse1) 4294967296) 0)))) (or .cse0 .cse3 (and (not (= (mod (+ 25 .cse1) 4294967296) 0)) (not (= 0 (mod (+ c_~N~0 4294967270) 4294967296))))) (or .cse0 (and (not (= (mod (+ 7 .cse1) 4294967296) 0)) (not (= (mod (+ c_~N~0 4294967288) 4294967296) 0)))) (or .cse0 .cse4 .cse5) (or .cse2 .cse0 (and (not (= (mod (+ 28 .cse1) 4294967296) 0)) (not (= 0 (mod (+ c_~N~0 4294967267) 4294967296))))) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967275) 4294967296) 0)) (not (= (mod (+ 20 .cse1) 4294967296) 0))) .cse5) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967290) 4294967296) 0)) (not (= (mod (+ 5 .cse1) 4294967296) 0)))) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967285) 4294967296) 0)) (not (= (mod (+ 10 .cse1) 4294967296) 0)))) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967291) 4294967296) 0)) (not (= (mod (+ 4 .cse1) 4294967296) 0)))) (or .cse0 .cse6 .cse3) (or .cse0 .cse3 .cse4) (or .cse0 (and (not (= (mod (+ c_~N~0 4294967287) 4294967296) 0)) (not (= (mod (+ 8 .cse1) 4294967296) 0)))) (or .cse2 .cse0 .cse6) (or .cse0 (and (not (= (mod (+ 4294967273 c_~N~0) 4294967296) 0)) (not (= (mod (+ 22 .cse1) 4294967296) 0))) .cse5)))) is different from false [2024-04-05 03:30:27,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-04-05 03:30:57,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 03:30:57,351 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:30:57,357 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:30:57,357 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:30:57,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:30:57,543 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-05 03:30:57,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 03:30:57,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 03:30:57,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 03:30:57,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 03:30:57,548 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-04-05 03:30:57,551 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 03:30:57,552 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 03:30:57,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:30:57 BasicIcfg [2024-04-05 03:30:57,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 03:30:57,554 INFO L158 Benchmark]: Toolchain (without parser) took 846505.26ms. Allocated memory was 288.4MB in the beginning and 728.8MB in the end (delta: 440.4MB). Free memory was 219.1MB in the beginning and 412.9MB in the end (delta: -193.9MB). Peak memory consumption was 247.9MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,554 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 03:30:57,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.97ms. Allocated memory is still 288.4MB. Free memory was 218.9MB in the beginning and 207.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.79ms. Allocated memory is still 288.4MB. Free memory was 207.4MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,555 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 288.4MB. Free memory was 205.7MB in the beginning and 204.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,555 INFO L158 Benchmark]: RCFGBuilder took 458.74ms. Allocated memory is still 288.4MB. Free memory was 204.3MB in the beginning and 246.3MB in the end (delta: -42.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,556 INFO L158 Benchmark]: TraceAbstraction took 845754.66ms. Allocated memory was 288.4MB in the beginning and 728.8MB in the end (delta: 440.4MB). Free memory was 244.7MB in the beginning and 412.9MB in the end (delta: -168.2MB). Peak memory consumption was 273.7MB. Max. memory is 8.0GB. [2024-04-05 03:30:57,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 219.97ms. Allocated memory is still 288.4MB. Free memory was 218.9MB in the beginning and 207.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.79ms. Allocated memory is still 288.4MB. Free memory was 207.4MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 288.4MB. Free memory was 205.7MB in the beginning and 204.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 458.74ms. Allocated memory is still 288.4MB. Free memory was 204.3MB in the beginning and 246.3MB in the end (delta: -42.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 845754.66ms. Allocated memory was 288.4MB in the beginning and 728.8MB in the end (delta: 440.4MB). Free memory was 244.7MB in the beginning and 412.9MB in the end (delta: -168.2MB). Peak memory consumption was 273.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13677, independent: 11028, independent conditional: 10094, independent unconditional: 934, dependent: 2637, dependent conditional: 2208, dependent unconditional: 429, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11091, independent: 11028, independent conditional: 10094, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11091, independent: 11028, independent conditional: 10094, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11091, independent: 11028, independent conditional: 10094, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1706, independent unconditional: 9322, dependent: 140, dependent conditional: 38, dependent unconditional: 102, unknown: 28, unknown conditional: 8, unknown unconditional: 20] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1609, independent unconditional: 9419, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1609, independent unconditional: 9419, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 373, independent: 363, independent conditional: 2, independent unconditional: 361, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 373, independent: 363, independent conditional: 0, independent unconditional: 363, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2175, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 129, dependent conditional: 50, dependent unconditional: 79, unknown: 2046, unknown conditional: 1023, unknown unconditional: 1023] , Protected Queries: 0 ], Cache Queries: [ total: 11196, independent: 10665, independent conditional: 1607, independent unconditional: 9058, dependent: 132, dependent conditional: 3, dependent unconditional: 129, unknown: 399, unknown conditional: 7, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 363, Positive conditional cache size: 2, Positive unconditional cache size: 361, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 135, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1706, independent unconditional: 9322, dependent: 140, dependent conditional: 38, dependent unconditional: 102, unknown: 28, unknown conditional: 8, unknown unconditional: 20] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1609, independent unconditional: 9419, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11196, independent: 11028, independent conditional: 1609, independent unconditional: 9419, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 373, independent: 363, independent conditional: 2, independent unconditional: 361, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 373, independent: 363, independent conditional: 0, independent unconditional: 363, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2175, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 129, dependent conditional: 50, dependent unconditional: 79, unknown: 2046, unknown conditional: 1023, unknown unconditional: 1023] , Protected Queries: 0 ], Cache Queries: [ total: 11196, independent: 10665, independent conditional: 1607, independent unconditional: 9058, dependent: 132, dependent conditional: 3, dependent unconditional: 129, unknown: 399, unknown conditional: 7, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 371, Positive cache size: 363, Positive conditional cache size: 2, Positive unconditional cache size: 361, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 135 ], Independence queries for same thread: 2586 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 706.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 393, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 136.9s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1203 ConstructedInterpolants, 0 QuantifiedInterpolants, 14572 SizeOfPredicates, 30 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1072/1770 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown